package com.sky.aop;


import com.sky.annotation.AutoFill;
import com.sky.constant.AutoFillConstant;
import com.sky.context.BaseContext;
import com.sky.enumeration.OperationType;
import lombok.extern.slf4j.Slf4j;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.stereotype.Component;

import java.lang.reflect.Method;
import java.time.LocalDateTime;

/**
 * TODO
 *
 * @Author mr.wu
 * @Data #{DATE} #{TIME}
 */
@Aspect
@Component
@Slf4j
public class AutoFillAspect {
    @Pointcut("execution( * com.sky.mapper.*.*(..))&& @annotation(com.sky.annotation.AutoFill) ")
    public void autoFillPointCut(){};

    @Before("autoFillPointCut()")
    public void  autoSetAspect(JoinPoint joinPoint) throws Exception {
        MethodSignature signature =(MethodSignature) joinPoint.getSignature();
        AutoFill autoFill = signature.getMethod().getAnnotation(AutoFill.class);
        OperationType operationType = autoFill.value();
        Object arg = joinPoint.getArgs()[0];
        LocalDateTime now = LocalDateTime.now();
        Long userId = BaseContext.getCurrentId();

        if(operationType == OperationType.INSERT){
            try {
                Method setCreateTime = arg.getClass().getDeclaredMethod(AutoFillConstant.SET_CREATE_TIME, LocalDateTime.class);
                Method setCreateUser = arg.getClass().getDeclaredMethod(AutoFillConstant.SET_CREATE_USER, Long.class);
                Method setUpdateTime = arg.getClass().getDeclaredMethod(AutoFillConstant.SET_UPDATE_TIME, LocalDateTime.class);
                Method setUpdateUser = arg.getClass().getDeclaredMethod(AutoFillConstant.SET_UPDATE_USER, Long.class);
                setCreateTime.invoke(arg, now);
                setCreateUser.invoke(arg,userId);
                setUpdateTime.invoke(arg,now);
                setUpdateUser.invoke(arg,userId);
            } catch (Exception e) {
               e.printStackTrace();
            }

        }else if(operationType == OperationType.UPDATE){
            try {
                Method setUpdateTime = arg.getClass().getDeclaredMethod(AutoFillConstant.SET_UPDATE_TIME, LocalDateTime.class);
                Method setUpdateUser = arg.getClass().getDeclaredMethod(AutoFillConstant.SET_UPDATE_USER, Long.class);
                setUpdateUser.invoke(arg, userId);
                setUpdateTime.invoke(arg, now);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
}
